taper sleeve of ball bearing

例句：

1. 1.She wore a tapered sleeve to cover her injured arm.
   她穿着一个缩口套袖来遮盖受伤的手臂。
2. 2.The tailor made a tapered sleeve for his suit jacket.
   裁缝为他西装夹克做了个缩口套袖。
3. 3.The chef used a tapered sleeve to protect the delicate fish from the heat.
   厨师用一个缩口套袖来保护这些易碎的鱼免受高温的影响。